Add Group To List in SharePoint using CSOM

The example in this topic show how to use CSOM to Remove Groups Permissions From List in SharePoint

  • using Microsoft.SharePoint.Client;
  • using System.Linq;
  •  
  • using (ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection"))
  • {
  • // clientcontext.Web.Lists.GetById - This option also can be used to get the list using List GUID
  • // This value is NOT List internal name
  • List targetList = clientContext.Web.Lists.GetByTitle("List Name");
  •  
  • // Load the list property(HasUniqueRoleAssignments)
  • clientContext.Load(targetList, target => target.HasUniqueRoleAssignments);
  • clientContext.ExecuteQuery();
  •  
  • if (targetList.HasUniqueRoleAssignments)
  • {
  • // Write group name to be added in the list
  • Group group = clientContext.Web.SiteGroups.GetByName("test Owners");
  • RoleDefinitionBindingCollection roleDefCollection = new RoleDefinitionBindingCollection(clientContext);
  •  
  • // Set the permission level of the group for this particular list
  • RoleDefinition readDef = clientContext.Web.RoleDefinitions.GetByName("Read");
  • roleDefCollection.Add(readDef);
  •  
  • Principal userGroup = group;
  • RoleAssignment roleAssign = targetList.RoleAssignments.Add(userGroup, roleDefCollection);
  •  
  • clientContext.Load(roleAssign);
  • roleAssign.Update();
  • clientContext.ExecuteQuery();
  • }
  • }

Thank you for reading this article. This code was tested in SharePoint 2013


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